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Category: Architecture

Architectural design is the product of people’s subjective mapping of elements within a structure and the relationships between elements. Architecture design is a series of related abstract patterns used to guide the design of various aspects of large software systems. The architect’s job responsibility is to transform the customer’s needs into a standardized development plan and text during the development of a software project, and to formulate the overall structure of the project, and guide the entire development team to complete the plan. Architecture design is the early stage of the software design process, which connects the requirements analysis and the design process. The main task of an architect is not to write specific software programs, but to engage in higher-level development and architecture work. He must have a good understanding of development technology, and he needs to have good organizational and management skills.

HeartBeat V1 + LDIRECTORD implementation LVS cluster is available

Foreword

High Availability Cluster, or HA Cluster for short, refers to server cluster technology for the purpose of reducing service interruption time. It can be seen from the above that the

October 2, 2021By Simo Monitoring available, Based on, cluster, Heartbeat, high, Implementation, LDIRECTORD, LVS, V1 + LDIRECTORDLeave a Comment

Performance – What is the fastest way to apply functions on each line of matrix?

I have searched so far and I know there are several methods (1, 2, 3, 4) I have used the following code so far:

Fv_calc(:,2) = arrayfun(@(n) MaxPositiveRoot2DegreePolynomial(QuadraticCoeffici

October 2, 2021By Simo Performance application, each, fastest, function, line, Matrix, method, performance, whatLeave a Comment

Authenticate dual thermal backup system with HeartBeat + Monit

First, use background

The project needs to realize the function of automatic switchover between main and standby dual heat to ensure that the system runs continuously 7*24 hours; now there is

October 2, 2021By Simo Monitoring Backup, Double, Heartbeat, HeartBeat + Monit, Heat, Implementation, Lord, Monit, preparation, system, UsingLeave a Comment

Locust Performance Module Talking

I came into contact with the Locust performance module today, let’s introduce the installation and simple applications

1. Installation method: pip install Locust

Locust supports Python

October 2, 2021By Simo Performance LOCUST, module, performance, TalkLeave a Comment

Add a HeartBeat function on RK3288 LED

Platform: Rockchip’s rk3288

Author: fulinux

*****This article allows reprinting, but please indicate the source: http:/ /blog.csdn.net/fulinus****

diff –git a/arch/arm/boot/dts/r

October 2, 2021By Simo Monitoring Add, function, Heartbeat, LED, RK, RK3288Leave a Comment

LINQ – Enumerable.todictionary only retrieves what it needs?

I am using Enumerable.ToDictionary to create a Dictionary from linq call:

return (from term in dataContext.Terms< br /> where term.Name.StartsWith(text)
select term).ToDictionary(t => t.Term

October 2, 2021By Simo Search Engines Enumerable, Enumerable.todictionary, linq, need, retrieving, Things, TodictionaryLeave a Comment

Performance – Android studio takes a long time to open

When I click the android studio icon on the desktop, it takes 5-10 minutes or more to open the android studio window.

Then Gradle builds It takes a long time to refresh, even though I have se

October 2, 2021By Simo Performance Android, long, need, performance, Studio, time, to openLeave a Comment

Performance – the most effective way to group data frames

Can anyone suggest a more efficient way to group data frames without using SQL/indexing/data.table option?

I am looking for similar problems, this one suggests indexing options.

The fol

October 2, 2021By Simo Performance data, Effective, frame, grouping, method, performanceLeave a Comment

Full-text search – full-text search using SQL Server 2008

I installed sql server 2008 express edition with tools but I need to use full text search, and the version I understand is missing in my version.

How to Upgrade to get full text search functi

October 2, 2021By Simo Search Engines full text, performed, search, server, SQL, useLeave a Comment

Why is the heartbeat necessary?

Almost all online game servers have a heartbeat package (HeartBeat or Ping) design. In the recent development of mobile game servers, the heartbeat package is also used. Thinking about thinking, is

October 2, 2021By Simo Monitoring bag, Heartbeat, must, whyLeave a Comment

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